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The role of microphytobenthos in soft‐sediment ecological networks and their contribution to the delivery of multiple ecosystem services
Journal of Ecology ( IF 5.5 ) Pub Date : 2019-12-20 , DOI: 10.1111/1365-2745.13322
Julie A. Hope 1 , David M. Paterson 2 , Simon F. Thrush 1
Affiliation  

  1. Sediment dwelling, microscopic primary producers, that occupy sediments in the photic zone, are commonly referred to as microphytobenthos (MPB). The MPB are essential components of soft‐sediment systems, but are often overlooked when assessing coastal ecosystem functionality and service delivery.
  2. The MPB are involved in several complex interactions and feedback that underpin the delivery of vital ecosystem services. MPB profoundly influence the flow and cycling of carbon and nutrients, such as nitrogen, directly and indirectly underpinning highly productive shallow water marine food webs. The MPB can also stabilize sediments through the formation of biofilms, and significantly improve water quality by mediating the benthic–pelagic coupling of nutrients, sediment and pollutants.
  3. The functional role of the MPB is compromised by increasing anthropogenic pressures such as nutrient enrichment, sedimentation, herbicides and emerging contaminants such as microplastic pollution. However, MPB are extremely good at buffering the effects of these land‐sourced stressors at the interface between land and sea.
  4. Synthesis. Society often appreciates the final provisioning of goods and services from our coastal marine environments. However, provisioning services are only possible due to the multitude of supporting and regulating services that underpin them. Microphytobenthos (MPB) are central to benthic ecological networks, and contribute to ecosystem service delivery through various pathways. Understanding the critical role of MPB in complex networks is therefore essential to appreciate their importance in ecosystem function and service delivery into the future.


中文翻译:

微小底栖动物在软沉积物生态网络中的作用及其对提供多种生态系统服务的贡献

  1. 沉积物,微观的初级生产者,在光合带中占据着沉积物,通常被称为微型底栖动物(MPB)。MPB是软沉降系统的重要组成部分,但在评估沿海生态系统功能和服务交付时经常被忽略。
  2. MPB参与了几个复杂的交互作用和反馈,这些交互作用和反馈为重要的生态系统服务提供了基础。MPB直接或间接地影响着高生产力的浅水海洋食物网的碳和营养物(如氮)的流动和循环。MPB还可以通过生物膜的形成来稳定沉积物,并通过调节养分,沉积物和污染物的底栖-上层耦合来显着改善水质。
  3. MPB的功能作用因人为压力的增加而受到损害,例如营养物的富集,沉降,除草剂和新兴污染物(例如微塑性污染)。但是,MPB非常擅长在陆地和海洋之间的界面上缓冲这些陆上压力源的影响。
  4. 综合。社会常常赞赏我们从沿海海洋环境中最终提供商品和服务。但是,仅由于支撑和调节服务的基础众多,才有可能提供服务。微型底栖动物(MPB)是底栖生态网络的核心,并通过各种途径促进生态系统服务的提供。因此,了解MPB在复杂​​网络中的关键作用对于理解它们在未来的生态系统功能和服务交付中的重要性至关重要。
更新日期:2019-12-20
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